Triple
T4614886
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Indian Railways |
E100843
|
entity |
| Predicate | trackGauge |
P391
|
FINISHED |
| Object |
Indian broad gauge
Indian broad gauge is the standard, wider-than-average railway track gauge predominantly used across India’s rail network, enabling high-capacity and heavy-haul train operations.
|
E458445
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Indian broad gauge | Statement: [Indian Railways, trackGauge, Indian broad gauge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Indian broad gauge Context triple: [Indian Railways, trackGauge, Indian broad gauge]
-
A.
Central Railway
Central Railway is one of the major zones of Indian Railways, headquartered in Mumbai and responsible for operating key rail routes and suburban services in western and central India.
-
B.
Delhi–Kolkata rail corridor
The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
-
C.
Indian Railways
Indian Railways is India’s state-owned national railway system, operating one of the world’s largest rail networks for passenger and freight transport across the country.
-
D.
Eastern Railway
Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
-
E.
Gwalior Light Railway
Gwalior Light Railway is a historic narrow-gauge railway network in central India, originally built to serve the princely state of Gwalior and noted for its extensive rural reach and heritage value.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Indian broad gauge Triple: [Indian Railways, trackGauge, Indian broad gauge]
Generated description
Indian broad gauge is the standard, wider-than-average railway track gauge predominantly used across India’s rail network, enabling high-capacity and heavy-haul train operations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Indian broad gauge Target entity description: Indian broad gauge is the standard, wider-than-average railway track gauge predominantly used across India’s rail network, enabling high-capacity and heavy-haul train operations.
-
A.
Central Railway
Central Railway is one of the major zones of Indian Railways, headquartered in Mumbai and responsible for operating key rail routes and suburban services in western and central India.
-
B.
Delhi–Kolkata rail corridor
The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
-
C.
Indian Railways
Indian Railways is India’s state-owned national railway system, operating one of the world’s largest rail networks for passenger and freight transport across the country.
-
D.
Eastern Railway
Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
-
E.
Gwalior Light Railway
Gwalior Light Railway is a historic narrow-gauge railway network in central India, originally built to serve the princely state of Gwalior and noted for its extensive rural reach and heritage value.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69bd43cf363c819087fd5ab441b4a3f4 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd59c3d9ec8190a50ef03627dc351d |
completed | March 20, 2026, 2:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdfa8da23881909ba4a70e9697f260 |
completed | March 21, 2026, 1:55 a.m. |
| NEDg | Description generation | batch_69bdfc7b84108190af39c7780f702745 |
completed | March 21, 2026, 2:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bdfd3856b48190a44f49da5fde38f6 |
completed | March 21, 2026, 2:06 a.m. |
Created at: March 20, 2026, 1:12 p.m.